Environment: direct action on germ cells, 124, 125; effects of faulty, 158; in crime and delinquency, 263, 266, 273, 274. Epidermolysis, 113. Epilepsy: 101, 117, 242, 249, 251, 252, 253; in guinea-pigs, 132; relation to feeble-mindedness, 249. Epileptic, the criminal type, 277-279. Epileptics, number of, 230, 246, 250. Eugenic agent, educated public sentiment, 330. Eugenics: and education, 309; and personal liberty, 332; a working program of, 335; constructive, based on education, 301; defined, 293; desirable traits, 306; education of women in, 333; influence of public opinion on, 331; much yet to be done, 333, 334; positive and negative, 301. Ewart, 10, 165. Exceptional child likely to be neglected, 257. Experimental breeding, method of, 15. External conditions, influences of, 130. Eye-color: 9, 103; inheritance of, 104. Eye-defects, 108, 110. Family pride and eugenics, 309. Farabee, 106. Fay, 153. Feeble-minded: prevention of procreation in, 258, 335; results of non-restraint, 246. Feeble-mindedness: 101, 117; and crime, 264-269, 279; grades of, 244; inheritance of, 245; not insanity, 238; relation of alcohol to, 169-172. Fernald, 256, 266. Fertilization, 26, 29, 47, 48. Fetus: poisoning of, 162; relation to mother, 161. Fiber-tracts in man, 214. Fitness, criteria for judging, 304, 306. Flexner, 186. Forel, 169, 173, 303. Fowl, Andalusian, 69, 70, 71. Frederick the Great, number of ancestors, 5. Friedreich's disease, 117. Fruit-fly, 66. Galton, 293, 295. Gamete, 28, 40. Gametes in dihybrids, 85. Gametic matings in man, 100. Geddes, 55. Genealogies, imperfect, 98. Genotype, 86. Geotropism, 198. Germ and body distinct, 37, 38. Germ: control of possibilities in, 224; singleness of, 50. German emperor, number of ancestors, 5. Germ-cells: affected by poisons, 126; changes in, 126, 127; early set apart, 37; question of effects of body on, 128, 135; effects of external influences on, 124; in Miastor, 37, 38; metabolic changes in, 138; origin of, 36, 37; possibilities of development, 127; two classes of, 71, 73. Germinal continuity, 39. Germinal variation and the origin of new characters: 138; cases analyzed, 141; sexual reproduction in relation to, 138. Germ-plasm and bad environment, 194. Gifted persons, 212. Glaucoma, 113. Goddard, 118, 171, 174, 188, 235, 238, 245, 250, 256, 257, 264, 269, 326. Gonads, transplantation of, 134. Gonorrhoea: seriousness of, 182; prevalence, 183. Gorst, 234. Gout, 153, 234. Guinea-pigs: alcoholism in, 175; Mendelism in, 75. Guyer, 59. Habit, 219. Habits, modification of in lower animals, 204. Hair-color, 105. Hair shape, 105. Hamburger, 150. Handwriting, 120. Haploid number of chromosomes, 41, 43.